Boise Air Trml/Gowen Field to General Edward Lawrence Logan International BOI → BOS

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

• SIGMET 3W: thunderstorms (a convective SIGMET) up to 31,000 ft, moving from the southwest at 40 knots, until 8:55 pm MDT (02:55 UTC). Over the route from 349 to 458 nm out.
  as issued

  WSUS33 KKCI 120055
  MKCW WST 120055
  CONVECTIVE SIGMET 3W
  VALID UNTIL 0255Z
  MT WY
  FROM 10WSW MLS-70E DDY-20N LAR-50E BPI-30NE BIL-10WSW MLS
  AREA TS MOV FROM 22040KT. TOPS TO FL310.

• AIRMET ZULU 3C: moderate icing up to 22,000 ft. Over the first 389 nm of the route.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the first 618 nm of the route.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 50 to 399 nm out.
• AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 60 to 678 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 219 to 448 nm out.
• AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Near the route, 289 nm along the route.
• AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 787 to 857 nm out.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the last 299 nm of the route.
• AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the last 249 nm of the route.
• AIRMET ZULU 1C: moderate icing up to 22,000 ft. Over the last 239 nm of the route.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1744 to 1893 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft up to 13,000 ft. Over the last 209 nm of the route.

A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from BOI.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

Not fetched just now.

At BOS when you get there the forecast at the estimated arrival, 8:30 am EDT (12:30 UTC)

BOS has no terminal forecast; use the nearest airport that does.

Temporary flight restrictions on the line or within 25 nm of it

• 6/6656 ANOKA, MN, Monday, October 5, 2026 through Monday, October 19, 2026 Local 5 nm from the route, 987 nm along the route · security · until 19 October · ZMP
• 6/8802 Foxborough, MA, Saturday, October 17, 2026 through Sunday, October 18, 2026 UTC 18 nm from the route, at the destination end · drones kept away from a public gathering · starts Saturday 17 October · ZBW

Daylight

Sunset at BOI 7:06 pm MDT (01:06 UTC), at BOS 6:07 pm EDT (22:07 UTC) (civil twilight ends 6:35 pm EDT (22:35 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.